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Understanding 9/11Circular No. 157
"Issued May 10, 1912."
At head of title: United States Department of Agriculture, Bureau of Entomology
Historical. pp. 1
Recent work by the writer -- Experimental innoculations. pp. 3
Symptoms manifested by larvae sick of European Foul Brood. pp. 4
A positive test for the disease in living larvae. pp. 7
The value of early symptoms in the diagnosis of European Foul Brood. pp. 9
Microscopic studies of diseased larvae. pp. 10
Probable explanations of errors as to the exciting cause of European Foul Brood. pp. 12
Is there more than one disease in the condition known as European Foul Brood -- Summary and conclusions. pp. 13
"Issued May 10, 1912."
At head of title: United States Department of Agriculture, Bureau of Entomology
Historical. pp. 1
Recent work by the writer -- Experimental innoculations. pp. 3
Symptoms manifested by larvae sick of European Foul Brood. pp. 4
A positive test for the disease in living larvae. pp. 7
The value of early symptoms in the diagnosis of European Foul Brood. pp. 9
Microscopic studies of diseased larvae. pp. 10
Probable explanations of errors as to the exciting cause of European Foul Brood. pp. 12
Is there more than one disease in the condition known as European Foul Brood -- Summary and conclusions. pp. 13
Notes
No copyright page found. No table-of-contents pages found.
- External-identifier
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urn:oclc:record:1041785002
![[WorldCat (this item)]](/images/worldcat-small.png "[WorldCat (this item)]")
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